/*头部样式开始*/
*{
    margin: 0;
    padding: 0;
}

.header{
    width: 100%;
    height: 40px;
    line-height: 40px;
    background-color: white;
    font-size: 12px;
    font-family: 微软雅黑;
    color: #666666;
}
.wrap{
    width: 1200px;
    margin: auto;
}
.header-left{
    float: left;
}
.header-right{
    float: right;
}
.header li{
    float: left;
    list-style: none;
}
.header a{
    color: #666666;
    text-decoration: none;
}
.header span{
    color: #D9D9D9;
    margin: 0 3px;
}
/*头部样式结束*/
/*导航样式开始*/
.nav{
    width: 100%;
    height: 100px;
    position: sticky;
    background-color: white;
}

.logo{
    width: 50px;
    height: 50px;
    float: left;
    margin-top: 25px;
}

.brand{
    width: 200px;
    height: 50px;
    float: left;
    margin-top: 32px;
}

.nav-bar{
    width: 950px;
    height: 100px;
    float: left;
    padding-left: 200px;
    box-sizing: border-box;
}

.logo img{
    width: 50px;
}

.brand>ul>li{
    font-family: 宋体;
    list-style: none;
    text-align: center;
}

.nav-bar>ul>li{
    float: left;
    list-style: none;
    padding: 35px 20px;
    font-family: 宋体;
    font-size: 20px;
}

.nav-bar a{
    color: black;
    text-decoration: none;
}

.nav-bar>ul>li>a:hover{
    color: rgb(193, 38, 40);
}
/*导航样式结束*/
.demo01{
    width: 100%;
    height: 250px
}

.demo02{
    width: 100%;
    height: 60px
}

.day2>ul>li>a:hover{
    background-color: rgb(193, 38, 40);

}

.demo03{
    width: 100%;
    height: 280px;
}
.demo04{
    width: 100%;
    height: 450px;
}

#container {
    margin-left: 10%;
    margin-bottom: 50px;
    width: 80%;
    height: 400px;
}

.demo05{
    width: 100%;
    height: 250px;
    top: 1500px;
    position: absolute;
}

.demo06{
    width: 100%;
    height: 30px;
    background-color: #1A1A1A;
}